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spfquery

Query Sender Policy Framework records to validate e-mail senders.

More information.

• Check if an IP address is allowed to send an e-mail from the specified e-mail address:

spfquery -ip {8.8.8.8} -sender {sender@example.com}

• Turn on debugging output:

spfquery -ip {8.8.8.8} -sender {sender@example.com} --debug

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